CN115814301B - Mining area vehicle automatic fire extinguishing system - Google Patents
Mining area vehicle automatic fire extinguishing system Download PDFInfo
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- 229910052757 nitrogen Inorganic materials 0.000 claims description 71
- 239000007858 starting material Substances 0.000 claims description 35
- 239000000843 powder Substances 0.000 claims description 16
- 239000000779 smoke Substances 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 5
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- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 238000003384 imaging method Methods 0.000 description 1
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Abstract
The invention provides an automatic fire-fighting system for vehicles in a mining area, which relates to the technical field of vehicle safety protection, and comprises a detection system, an unmanned central control system, an automatic control system and a fire-extinguishing system, wherein the detection system is used for generating a fire signal through temperature change and sending the fire signal to the automatic control system; the automatic control system is used for forwarding the fire signal to the unmanned central control system; the unmanned central control system is used for receiving public fault signals sent by vehicles in the mining area and judging whether fire is misjudged according to the public fault signals and the fire signals; the automatic control system is also used for generating an automatic starting signal according to the remote control signal and sending the automatic starting signal to the fire extinguishing system; the fire extinguishing system is used for extinguishing fire according to the automatic starting signal. The invention realizes timely prevention and control of fire of the mining area transport vehicle and reduces casualties and property loss caused by fire of the mining area vehicle.
Description
Technical Field
The invention relates to the technical field of vehicle safety protection, in particular to an automatic fire-fighting system for vehicles in mining areas.
Background
In order to improve the transportation capacity of the mining area and improve the working efficiency, a large number of mining area transportation vehicles exist in the mining area for transportation work. The mining vehicle comprises an underground trackless rubber-tyred vehicle, a wide dump truck, a bracket carrier, a hydraulic excavator, a scraper, a monorail crane and the like.
In recent years, spontaneous combustion of vehicles in mining areas, accidental fire and the like occur, and serious casualties and property loss are brought. At present, many enterprises still adopt traditional manual fire control mode to the aspect of mining vehicle fire control safety management, can not in time ensure personnel's safety when the condition of a fire takes place, also have great misjudgement simultaneously.
Disclosure of Invention
The invention solves the problem of loss caused by untimely fire prevention and control of mining transportation vehicles.
In order to solve the problems, the invention provides an automatic fire-fighting system for vehicles in a mining area, which comprises a detection system, an unmanned central control system, an automatic control system and a fire-extinguishing system, wherein the detection system, the unmanned central control system and the fire-extinguishing system are respectively connected with the automatic control system;
the detection system is used for generating a fire signal through temperature change and sending the fire signal to the automatic control system;
The automatic control system is used for forwarding the fire signal to the unmanned central control system;
The unmanned central control system is used for receiving public fault signals sent by vehicles in a mining area, judging whether fire is misjudged according to the public fault signals and the fire signals, and generating and sending a remote control signal to the automatic control system if the fire is not misjudged;
The automatic control system is also used for generating a first automatic starting signal according to the remote control signal and sending the first automatic starting signal to the fire extinguishing system;
the fire extinguishing system is used for extinguishing fire according to the first automatic starting signal;
Wherein the common fault signal is used to indicate a fault of the mining vehicle.
Optionally, the automatic control system is further configured to generate a second automatic start signal according to the fire signal, and send the second automatic start signal to the fire extinguishing system;
the fire extinguishing system is also used for extinguishing fire according to the second automatic starting signal.
Optionally, the mining area vehicle automatic fire protection system further comprises a manual activation system for generating a manual activation signal and sending to the fire protection system,
The manual starting system comprises two manual starters which are respectively arranged in a cab and a stair opening;
the fire extinguishing system is also used for extinguishing fire according to the manual starting signal.
Optionally, the mining vehicle includes an additional detector for detecting a fault of the mining vehicle and generating the common fault signal in dependence on the fault,
The unmanned central control system is used for receiving public fault signals sent by vehicles in the mining area, judging whether fire is misjudged according to the public fault signals and the fire signals, and if the fire is not misjudged, generating and sending remote control signals to the automatic control system, and comprises the following steps:
if the unmanned central control system receives the public fault signal sent by the mining area vehicle and receives the fire signal, the unmanned central control system generates and sends the remote control signal to the automatic control system;
The unmanned central control system is also used for sending a reinspection signal to the additional detector and reinspecting the additional detector if the public fault signal is detected and the fire signal is not received.
Optionally, the mining area vehicle automatic fire protection system further comprises an alarm system,
The alarm system is connected with the automatic control system and comprises an audible and visual alarm module and a voice alarm module, and the alarm system is used for receiving alarm signals sent by the automatic control system and carrying out audible and visual alarm and voice alarm.
Optionally, the automatic control system is further configured to generate a first automatic start signal according to the remote control signal, and send the first automatic start signal to the fire extinguishing system, including:
And the automatic control system receives the remote control signal sent by the unmanned central control system, generates the first automatic starting signal and the alarm signal, and sends the alarm signal to the alarm system.
Optionally, the automatic control system is configured to forward the fire signal to the unmanned central control system, and includes:
The automatic control system is further used for sending the fire signal to the unmanned central control system if the fire signal is greater than or equal to a first threshold value and smaller than a second threshold value.
Optionally, the detection system includes a plurality of linear temperature sensing cables arranged above the engine and the smoke exhaust pipe, the linear temperature sensing cables being configured to generate the fire signal when the detected temperature exceeds a temperature threshold and to transmit the fire signal to the automatic control system.
Optionally, the fire extinguishing system comprises a starting device, wherein the starting device comprises a first relay, a second relay and an electric starter;
The first relay and the second relay are connected with the automatic control system in parallel and are used for starting according to the first automatic starting signal or the second automatic starting signal;
The electric starter is used for extinguishing fire sources according to the starting of the first relay and/or the second relay.
Optionally, the fire extinguishing system further comprises a first nitrogen cylinder, a second nitrogen cylinder, a third nitrogen cylinder and a dry powder tank,
The fire extinguishing system is also used for puncturing the seal of the second nitrogen cylinder according to the manual starting signal generated by the manual starting system to release the nitrogen;
The electric starter is used for extinguishing fire sources according to the starting of the first relay and/or the second relay, and comprises the following components:
the electric starter is used for puncturing the seal of the first nitrogen cylinder and releasing the nitrogen after the first relay and/or the second relay are started;
The electric starter is also used for utilizing the nitrogen to puncture the seal of the third nitrogen cylinder after puncturing the seal of the first nitrogen cylinder and/or puncturing the seal of the second nitrogen cylinder, and releasing the nitrogen to control the dry powder tank to spray dry powder extinguishing agent.
According to the mining area vehicle automatic fire-fighting system, when the unmanned central control system receives a fire signal and a public fault signal, a remote control signal is generated and sent to the automatic control system, and the automatic control system generates a first automatic starting signal according to the remote control signal, so that the fire-fighting system can extinguish the fire. In this embodiment, a common fault signal is introduced, and whether fire is misjudged is judged according to the common fault signal and the fire signal, if no fire is misjudged, a remote control signal is generated and sent to the automatic control system, and the common fault signal is compared with the fire signal, so that misjudgment on fire is reduced. In conclusion, the mining area vehicle automatic fire-fighting system can realize automatic detection and automatic fire extinguishing of fire conditions, realize timely fire extinguishing, reduce misjudgment of the fire conditions and take account of automaticity, timeliness and reliability.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of an automatic fire protection system for mining area vehicles in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of an automatic control system circuit according to an embodiment of the present invention;
FIG. 3 is a schematic view of a manual actuator in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of a circuit of an activation device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an electric starter according to an embodiment of the present invention;
FIG. 6 is a first schematic view of a first preferred embodiment of an embodiment of the present invention;
FIG. 7 is a second schematic view of the first preferred embodiment of the present invention;
Fig. 8 is a schematic diagram of a second preferred embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The mining area vehicle automatic fire control system is applied to mining area transport vehicles. The mine transportation vehicle includes a controller, which may be a combination logic controller or a micro-programmed controller.
Referring to fig. 1, the embodiment provides an automatic fire-fighting system for vehicles in mining areas, which is characterized in that the automatic fire-fighting system for vehicles in mining areas comprises a detection system 110, an unmanned central control system 120, an automatic control system 130 and a fire-extinguishing system 140, wherein the detection system 110, the unmanned central control system 120 and the fire-extinguishing system 140 are respectively connected with the automatic control system 130;
the detection system 110 is configured to generate a fire signal through a temperature change and send the fire signal to the automatic control system 130;
The automatic control system 130 is configured to forward the fire signal to the unmanned central control system 120;
The unmanned central control system 120 is configured to receive a public fault signal sent by a mining area vehicle, determine whether to misjudge a fire according to the public fault signal and the fire signal, and if not, generate and send a remote control signal to the automatic control system 130;
The automatic control system 130 is further configured to generate a first automatic start signal according to the remote control signal, and send the first automatic start signal to the fire extinguishing system 140;
The fire extinguishing system 140 is used for extinguishing fire according to the first automatic starting signal;
Wherein the common fault signal is used to indicate a fault of the mining vehicle.
Specifically, the detection system 110 is provided with a plurality of temperature detection devices, detects temperature information of different positions through the plurality of temperature detection devices, generates a fire signal through temperature change, and transmits the fire signal to the automatic control system 130. The unmanned central control system 120 is configured to generate and transmit a remote control signal to the automatic control system 130 according to the common fault signal and the fire signal.
In the embodiment of the present invention, as shown in fig. 2, the automatic control system 130 includes a first delay module, a triple-modular redundancy module, a trigger, and a second delay module, where the first delay module includes three TD modules, the three TD modules are connected in parallel, the second delay module includes one TD module, and the first delay module, the triple-modular redundancy module, the trigger, and the second delay module are connected in series. The first delay module is used for automatically delaying the received fire signals, the three-module redundancy module is used for designing system fault tolerance, and the trigger is used for automatically executing preset control instructions. The trigger further comprises an S end and an R end, wherein the S end is connected with the triple-modular redundancy module and used for receiving a trigger signal, and the R end is connected with the reset module and used for receiving a reset signal.
According to the mining area vehicle automatic fire protection system, when the unmanned central control system receives a fire signal and a public fault signal, a remote control signal is generated and sent to the automatic control system, and the automatic control system generates a first automatic starting signal according to the remote control signal, so that the fire protection system can extinguish the fire. In this embodiment, a common fault signal is introduced, and whether fire is misjudged is judged according to the common fault signal and the fire signal, if no fire is misjudged, a remote control signal is generated and sent to the automatic control system, and the common fault signal is compared with the fire signal, so that misjudgment on fire is reduced. In conclusion, the mining area vehicle automatic fire-fighting system can realize automatic detection and automatic fire extinguishing of fire conditions, realize timely fire extinguishing, reduce misjudgment of the fire conditions and take account of automaticity, timeliness and reliability.
In the embodiment of the invention, the mining area vehicle automatic fire extinguishing system is further used for generating a second automatic starting signal according to the fire signal and sending the second automatic starting signal to the fire extinguishing system;
the fire extinguishing system is also used for extinguishing fire according to the second automatic starting signal.
Specifically, the detection system generates a fire signal and sends the fire signal to the automatic control system; and if the fire signal is greater than or equal to a second threshold value, the automatic control system generates the second automatic starting signal. For example, when the fire signal is greater than or equal to 180 ℃, a second automatic start signal and an alarm signal are generated, and the alarm signal is sent to an alarm system.
The mining area vehicle automatic fire protection system of this embodiment utilizes detecting system to detect the condition of a fire signal through temperature variation, will the condition of a fire signal is sent to automatic control system for fire extinguishing system in time puts out a fire, has realized the automated inspection condition of a fire, and the condition of a fire of automatic feedback scene is put out a fire in time.
In an embodiment of the invention, the mining area vehicle automatic fire-fighting system further comprises a manual starting system, the manual starting system is used for generating a manual starting signal and sending the manual starting signal to the fire-fighting system,
The manual starting system comprises two manual starters which are respectively arranged in a cab and a stair opening and are used for generating manual starting signals;
the fire extinguishing system is also used for extinguishing fire according to the manual starting signal.
Specifically, as shown in fig. 3 in combination, fig. 3 is a schematic view of a manual actuator, the housing 210 is used to fix the opening button 220 and prevent false touches, and an external force is applied to the actuating portion 230 by the button 220, wherein the actuating portion 230 includes a striker 231 and a barrier 232, and the striker is pushed by the barrier 232.
The mining area vehicle automatic fire-fighting system of the embodiment utilizes the manual starting system to generate the manual signal and send the manual signal to the fire-fighting system, and the fire-fighting system extinguishes fire according to the manual starting signal, and the starting mode is perfected through the manual starting system. Meanwhile, the manual starting system comprises two manual starters which are respectively arranged in the cab and the elevator entrance. By arranging the manual starter at a special position, the starting of the system is further perfected, and the personal safety is ensured.
In an embodiment of the invention, the mining vehicle comprises an additional detector for detecting a fault of the mining vehicle and generating the common fault signal in dependence of the fault,
The unmanned central control system is used for receiving public fault signals sent by vehicles in the mining area, judging whether fire is misjudged according to the public fault signals and the fire signals, and if the fire is not misjudged, generating and sending remote control signals to the automatic control system, and comprises the following steps:
if the unmanned central control system receives the public fault signal sent by the mining area vehicle and receives the fire signal, the unmanned central control system generates and sends the remote control signal to the automatic control system;
The unmanned central control system is also used for sending a reinspection signal to the additional detector and reinspecting the additional detector if the public fault signal is detected and the fire signal is not received.
Specifically, the additional detector includes an image detection device, a smoke detection device, a temperature detection device, and a circuit detection device. The image detection device comprises a plurality of groups of image detection devices which are respectively and uniformly arranged on the vehicle and are used for acquiring vehicle running information; the smoke detection devices are arranged in a plurality, are arranged on the mining area vehicles in a displaying mode and are used for detecting multi-azimuth smoke information of the mining area vehicles; the temperature detection devices are arranged in a plurality, are arranged on the mining area vehicles in a displaying mode and are used for detecting multidirectional temperature information of the mining area vehicles; the circuit detection device is used for detecting whether a system circuit has short circuit, open circuit or electronic system downtime.
In the mining area vehicle automatic fire protection system of the embodiment, the unmanned central control system generates the public fault signal through the detection result of the additional detector. And if the public fault signal is detected and the fire signal is received, generating and sending the remote control signal to the automatic control system. And if the public fault signal is detected and the fire signal is not received by the unmanned central control system, a reinspection signal is sent to the automatic control system, and the additional detector is reinspected. In this embodiment, the unmanned central control system can verify the fire signal through the detection result of the additional detector, utilizes public fault signal and fire signal remote control automatic control system, improves the precision, avoids erroneous judgement.
In the embodiment of the invention, the public fault signal is used for indicating faults of other systems except the automatic fire control system of the mining vehicle, so that the unmanned central control system can verify the fire signal and the faults of the other systems, and erroneous judgment is avoided. In other application scenarios of the present invention, the automatic fire protection system may also malfunction, such as fire, circuit malfunction, etc.
In order to solve the problem of the automatic fire control system, in another embodiment of the invention, the automatic control system is also provided with an additional detector such as a circuit detection device or a temperature and humidity detection device, when the automatic control system fails, the additional detector detects an emergency signal, and the unmanned central control system can directly extinguish the fire of the fire control system according to the emergency signal.
In another embodiment of the invention, the automatic control system sends an emergency signal to the unmanned central control system before downtime, so that the unmanned public system can extinguish fire through the fire extinguishing system according to the emergency signal.
In another embodiment of the invention, the automatic control system sends an emergency signal before downtime, so that the unmanned system can conduct fire extinguishment through the fire extinguishing system after comparing the emergency signal with the public fault signal and determining that fire really occurs.
In other embodiments of the present invention, when the automatic control system fails, the unmanned system may take over various functions of the automatic control system according to the emergency signal, or the standby system takes over various functions of the automatic control system, which will not be described herein.
In the embodiment of the invention, the mining area vehicle automatic fire-fighting system also comprises an alarm system,
The alarm system is connected with the automatic control system and comprises an audible and visual alarm module and a voice alarm module, and the alarm system is used for receiving alarm signals sent by the automatic control system and carrying out audible and visual alarm and voice alarm. The mining area vehicle automatic fire protection system achieves the purpose of reminding through the audible and visual alarm module and the voice alarm module, draws attention, and avoids fire to the greatest extent.
In an embodiment of the present invention, the automatic control system is further configured to generate a first automatic start signal according to the remote control signal, and send the first automatic start signal to the fire extinguishing system, where the method includes:
And the automatic control system receives the remote control signal sent by the unmanned central control system, generates the first automatic starting signal and the alarm signal, and sends the alarm signal to the alarm system.
The mining area vehicle automatic fire protection system of the embodiment generates corresponding measures according to the emergency degree of the fire through comparing the fire signal with the threshold value. When judging that the fire occurs, controlling the automatic control system to generate an automatic starting signal and an alarm signal through a fire signal or a remote control signal, and sending the alarm signal to the alarm system. According to the fire signal or the remote control signal generated by the unmanned central control system, the automatic control system is controlled to generate a first automatic starting signal, and meanwhile, an alarm signal is generated, so that casualties generated by accidents are reduced.
In an embodiment of the present invention, the automatic control system is configured to forward the fire signal to the unmanned central control system, and includes:
The automatic control system is further used for sending the fire signal to the unmanned central control system if the fire signal is greater than or equal to a first threshold value and smaller than a second threshold value.
Specifically, if the fire signal is greater than or equal to 160 ℃ and less than 180 ℃, the fire signal is sent to an unmanned central control system. The unmanned central control system judges simultaneously according to the detection result of the additional detector, such as the picture shot by the imaging detection device, the smoke detected by the smoke detection device, the short circuit or open circuit detected by the circuit detection device, and the like, and if the fire is judged, the automatic control signal is sent, so that erroneous judgment can be avoided.
In an embodiment of the invention, the detection system comprises a plurality of linear temperature sensing cables arranged above the engine and the smoke exhaust pipe, wherein the linear temperature sensing cables are used for generating the fire signal when the detected temperature exceeds a temperature threshold value and sending the fire signal to the automatic control system.
Specifically, the detection system is arranged on three linear temperature sensing cables above the engine and the smoke exhaust pipe, and if the detected temperature of two linear temperature sensing cables exceeds a temperature threshold value, the fire signal is generated in the three linear temperature sensing cables and sent to the automatic control system.
The mining area vehicle automatic fire protection system of the embodiment generates the fire signal when the detected temperature exceeds the temperature threshold value by arranging the linear temperature sensing cable, and sends the fire signal to the automatic control system. The accuracy of fire signal detection is guaranteed, false alarm rate is reduced, and reliability is improved.
In the embodiment of the invention, the fire extinguishing system comprises a starting device, wherein the starting device comprises a first relay, a second relay and an electric starter;
The first relay and the second relay are connected with the automatic control system in parallel and are used for starting according to the first automatic starting signal or the second automatic starting signal;
The electric starter is used for extinguishing fire sources according to the starting of the first relay and/or the second relay.
Specifically, as shown in fig. 4 in combination, fig. 4 is a schematic circuit diagram of a starting device, the first relay 301 and the second relay 302 are connected in parallel, the first relay 301 and the second relay 302 are respectively connected in series with the electric starter 303, and the electric starter 303 includes the thimble 3031 and the thimble power supply 3032 which are connected.
The mining area vehicle automatic fire control system of this embodiment is through first relay the second relay with automatic control system parallel connection starts electric starter according to automatic start signal, carries out the putting out of fire source, can reduce the error through setting up two relays.
In the embodiment of the invention, the fire extinguishing system also comprises a first nitrogen cylinder, a second nitrogen cylinder, a third nitrogen cylinder and a dry powder tank,
The fire extinguishing system is also used for puncturing the seal of the second nitrogen cylinder according to the manual starting signal generated by the manual starting system to release the nitrogen;
The electric starter is used for extinguishing fire sources according to the starting of the first relay and/or the second relay, and comprises the following components:
the electric starter is used for puncturing the seal of the first nitrogen cylinder and releasing the nitrogen after the first relay and/or the second relay are started;
The electric starter is also used for utilizing the nitrogen to puncture the seal of the third nitrogen cylinder after puncturing the seal of the first nitrogen cylinder and/or puncturing the seal of the second nitrogen cylinder, and releasing the nitrogen to control the dry powder tank to spray dry powder extinguishing agent.
Specifically, when the first nitrogen cylinder pierces the seal of the first nitrogen cylinder after the first relay and/or the second relay are started, and the nitrogen with 1800psi pressure is released,
Or when a second nitrogen cylinder is pierced by the seal of the second nitrogen cylinder according to the manual start signal generated by the manual start system to release the nitrogen with 1800psi pressure;
the high-pressure nitrogen gas starts a third nitrogen gas cylinder through a fire extinguishing pipeline, the nitrogen gas is released to control the dry powder tank to spray dry powder fire extinguishing agent, wherein a one-way valve is arranged at the intersection point of the first nitrogen gas cylinder, the second nitrogen gas cylinder and the third nitrogen gas cylinder pipeline and is used for controlling the air pressure flowing direction.
Referring to fig. 5, fig. 5 is a schematic view of an electric starter, wherein a layer of interlayer is arranged in the middle of the starter, and the interlayer is pushed by means of electric signals, hydraulic signals, air pressure and the like to push a striker to pierce a nitrogen cylinder.
The mining area vehicle automatic fire extinguishing system of the embodiment respectively utilizes a manual starting signal and a relay started according to the automatic starting signal to release high-pressure nitrogen in the first nitrogen cylinder and the second nitrogen cylinder, a third nitrogen cylinder is started through the high-pressure nitrogen, and the nitrogen is released through the third nitrogen cylinder to control the dry powder tank to spray dry powder extinguishing agent.
According to the mining area vehicle automatic fire-fighting system, when the unmanned central control system receives a fire signal and a public fault signal, a remote control signal is generated and sent to the automatic control system, and the automatic control system generates a first automatic starting signal according to the remote control signal, so that the fire-fighting system can extinguish the fire. In this embodiment, a common fault signal is introduced, and whether fire is misjudged is judged according to the common fault signal and the fire signal, if no fire is misjudged, a remote control signal is generated and sent to the automatic control system, and the common fault signal is compared with the fire signal, so that misjudgment on fire is reduced. In conclusion, the mining area vehicle automatic fire-fighting system can realize automatic detection and automatic fire extinguishing of fire conditions, realize timely fire extinguishing, reduce misjudgment of the fire conditions and take account of automaticity, timeliness and reliability.
In some preferred embodiments, as shown in connection with fig. 6 and 7, when a fire occurs,
The fire signal can be detected through the linear temperature sensing cable and fed back to the PLC, the electric starter is controlled by the PLC to puncture the seal of the first nitrogen cylinder, and the nitrogen is released to puncture the seal of the third nitrogen cylinder.
The fire signal and the public fault signal can be sent to the unmanned central control system through the PLC controller, the unmanned central control system generates a remote control signal and returns the remote control signal to the PLC controller, the PLC controller generates a first automatic starting signal or a second automatic starting signal, the electric starter is controlled to puncture the seal of the first nitrogen cylinder, and nitrogen is released to puncture the seal of the third nitrogen cylinder.
The manual starter can also be used for generating a manual starting signal to puncture the seal of the second nitrogen cylinder, releasing nitrogen, controlling the air flow direction through the one-way valve and puncturing the seal of the third nitrogen cylinder.
In some preferred embodiments, as shown in connection with fig. 8, a linear temperature sensing cable is disposed in the high temperature region of the engine, the end of the linear temperature sensing cable is connected to an EOL end resistor for protecting a circuit, the other end of the linear temperature sensing cable is connected to a PLC controller, and the PLC controller is also connected to an unmanned central control system, an alarm system and a starting device. In the starting device, two relays are connected in parallel, the two relays are respectively connected with an electric starter in series, and the EPS supplies power for the starting device. And one end of the electric starter is connected with a small nitrogen cylinder, the small nitrogen cylinder is punctured by the electric starter to release nitrogen through control, and the small nitrogen cylinder is connected with one side of the one-way valve through a pipeline.
A manual starter and a small nitrogen cylinder connected with the starter are respectively arranged at a cab and a stair opening and are connected to the other side of the one-way valve through a pipeline. Meanwhile, four groups of large nitrogen cylinders are connected in series in the pipeline, and each large nitrogen cylinder is provided with a safety valve and is correspondingly connected with a dry powder tank. When the manual starter or the electric starter is started, the connected small nitrogen cylinder is punctured, and the small nitrogen cylinder releases nitrogen into the pipeline, so that the seal of the large nitrogen cylinder is broken, and the dry powder in the dry powder tank LT-A-101-30 is released to extinguish the fire. And meanwhile, the one-way valve is reasonably utilized to control the nitrogen direction to be released from right to left.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The mining area vehicle automatic fire-fighting system is characterized by comprising a detection system, an unmanned central control system, an automatic control system and a fire-extinguishing system, wherein the detection system, the unmanned central control system and the fire-extinguishing system are respectively connected with the automatic control system;
the detection system is used for generating a fire signal through temperature change and sending the fire signal to the automatic control system;
The automatic control system is used for forwarding the fire signal to the unmanned central control system;
The unmanned central control system is used for receiving a public fault signal sent by a mining area vehicle, the mining area vehicle comprises an additional detector, the public fault signal is generated according to the fault and the public fault signal, whether fire is misjudged or not is judged according to the public fault signal and the fire signal, and if the fire is not misjudged, a remote control signal is generated and sent to the automatic control system, and the unmanned central control system comprises:
if the unmanned central control system receives the public fault signal sent by the mining area vehicle and receives the fire signal, the unmanned central control system generates and sends the remote control signal to the automatic control system;
the unmanned central control system is also used for sending a reinspection signal to the additional detector and reinspecting the additional detector if the public fault signal is detected and the fire signal is not received;
The automatic control system is also used for generating a first automatic starting signal according to the remote control signal and sending the first automatic starting signal to the fire extinguishing system;
the fire extinguishing system is used for extinguishing fire according to the first automatic starting signal;
Wherein the common fault signal is used to indicate a fault of the mining vehicle;
The automatic control system is further used for generating the second automatic starting signal and sending the second automatic starting signal to the fire extinguishing system if the fire signal is greater than or equal to a second threshold value;
the fire extinguishing system is also used for extinguishing fire according to the second automatic starting signal;
The mining area vehicle automatic fire-fighting system further comprises a manual starting system, wherein the manual starting system is used for generating a manual starting signal and sending the manual starting signal to the fire-fighting system;
the manual starting system comprises two manual starters which are respectively arranged in a cab and a stair opening;
the fire extinguishing system is also used for extinguishing fire according to the manual starting signal;
The fire extinguishing system comprises a starting device, wherein the starting device comprises a first relay, a second relay and an electric starter;
The first relay and the second relay are connected with the automatic control system in parallel and are used for starting according to the first automatic starting signal or the second automatic starting signal;
the fire extinguishing system further comprises a first nitrogen cylinder, a second nitrogen cylinder, a third nitrogen cylinder and a dry powder tank;
The fire extinguishing system is also used for puncturing the seal of the second nitrogen cylinder according to the manual starting signal generated by the manual starting system to release the nitrogen;
The electric starter is used for extinguishing fire sources according to the starting of the first relay and/or the second relay, and comprises the following components:
the electric starter is used for puncturing the seal of the first nitrogen cylinder and releasing the nitrogen after the first relay and/or the second relay are started;
The electric starter is also used for utilizing the nitrogen to puncture the seal of the third nitrogen cylinder after puncturing the seal of the first nitrogen cylinder and/or puncturing the seal of the second nitrogen cylinder, and releasing the nitrogen to control the dry powder tank to spray dry powder extinguishing agent.
2. The mining area vehicle automatic fire protection system of claim 1, further comprising an alarm system,
The alarm system is connected with the automatic control system and comprises an audible and visual alarm module and a voice alarm module, and the alarm system is used for receiving alarm signals sent by the automatic control system and carrying out audible and visual alarm and voice alarm.
3. The mining vehicle automatic fire protection system of claim 2, wherein the automatic control system is further configured to generate a first automatic start signal based on the remote control signal, send the first automatic start signal to the fire suppression system, comprising:
And the automatic control system receives the remote control signal sent by the unmanned central control system, generates the first automatic starting signal and the alarm signal, and sends the alarm signal to the alarm system.
4. The mining area vehicle automatic fire protection system of claim 1, wherein the automatic control system is configured to forward the fire signal to the unmanned central control system, comprising:
The automatic control system is further used for sending the fire signal to the unmanned central control system if the fire signal is greater than or equal to a first threshold value and smaller than a second threshold value.
5. The mining area vehicle automatic fire protection system of claim 1, wherein the detection system includes a plurality of linear temperature sensing cables disposed above an engine and a smoke evacuation tube, the linear temperature sensing cables for generating the fire signal when a detected temperature exceeds a temperature threshold and transmitting the fire signal to the automatic control system.
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